Seiko Cal. 6661 - 639

This Spring Drive model from 1984 features a 44mm Two-Tone case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-fff2cc52eab5]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1984

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